WO2019159284A1 - Climatiseur - Google Patents

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Publication number
WO2019159284A1
WO2019159284A1 PCT/JP2018/005261 JP2018005261W WO2019159284A1 WO 2019159284 A1 WO2019159284 A1 WO 2019159284A1 JP 2018005261 W JP2018005261 W JP 2018005261W WO 2019159284 A1 WO2019159284 A1 WO 2019159284A1
Authority
WO
WIPO (PCT)
Prior art keywords
antibacterial agent
air
mesh
heat exchanger
antibacterial
Prior art date
Application number
PCT/JP2018/005261
Other languages
English (en)
Japanese (ja)
Inventor
京子 野村
智嗣 上山
和樹 渡部
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019571880A priority Critical patent/JP6932211B2/ja
Priority to CN201890000283.1U priority patent/CN210425481U/zh
Priority to PCT/JP2018/005261 priority patent/WO2019159284A1/fr
Publication of WO2019159284A1 publication Critical patent/WO2019159284A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate

Definitions

  • the present invention relates to an air conditioner that suppresses the propagation of germs in drain water generated from a heat exchanger.
  • a conventional air conditioner such as a four-way cassette type air conditioner, includes a heat exchanger and a blower, and a drain pan that receives drain water condensed and generated by the heat exchanger is provided below the heat exchanger. .
  • the drain water collected in the drain pan is discharged to the outside of the air conditioner through a drain pump and a drain pipe.
  • ⁇ Drained water contains bacteria and mold in the air and is easy to reproduce.
  • slime is produced in the drain pan, which may cause bad odor and drainage defects such as clogging of the drain piping. Therefore, by providing an antibacterial agent and an antibacterial agent container that contains the antibacterial agent, and placing the antibacterial agent container that contains the antibacterial agent in the drain pan, germs and molds propagate in the drain water collected in the drain pan.
  • an air conditioner that suppresses this (for example, see Patent Document 1).
  • an antibacterial agent container containing an antibacterial agent is disposed in the drain pan.
  • the antibacterial agent is immersed in drain water, the antibacterial agent is eluted quickly and has a short life. There was a problem.
  • the present invention has been made to solve the above-described problems, and provides an air conditioner that can extend the life of an antibacterial agent even when the antibacterial case containing the antibacterial agent is placed in a drain pan. It is intended to provide.
  • the air conditioner according to the present invention includes an indoor unit body in which an air inlet and an air outlet are formed, a blower that sucks air from the air inlet and blows out from the air outlet, and is sucked from the air inlet.
  • a heat exchanger that exchanges heat with the air
  • a drain pan that is provided below the heat exchanger and collects drain water generated from the heat exchanger, and is disposed on the drain pan, with respect to the drain water.
  • An antibacterial case containing an antibacterial agent that provides an antibacterial effect, and the antibacterial agent case has a mesh on the side surface on the bottom side, and the size of the mesh interval of the antibacterial agent case is the initial antibacterial agent It is 0.25 to 0.625 times the length.
  • the antibacterial agent case has a mesh on the side surface on the bottom side, and the size of the mesh interval of the antibacterial agent case is 0.25 times or more the antibacterial agent length and 0.625. Is less than double. Therefore, even if the antibacterial case containing the antibacterial agent is placed in the drain pan, the antibacterial agent drying speed can be increased and the outflow of the excessive antibacterial agent can be suppressed. can do.
  • FIG. 4 is a schematic cross-sectional view taken along line AA in FIG. 3. It is a schematic diagram which shows the side surface of the antibacterial agent case of the air conditioner which concerns on this Embodiment. It is a figure which shows the relationship between (mesh space
  • the air conditioner according to the present embodiment is installed in an embedded state or a suspended state on the ceiling side of the air-conditioned space, and is installed below the heat exchanger and a heat exchanger that exchanges heat between indoor air.
  • a drain pan that collects drain water generated from the water, an antibacterial agent for suppressing the propagation of germs and mold in the drain water collected in the drain pan, and an antibacterial agent container that contains the antibacterial agent It is an air conditioner.
  • ceiling-embedded air conditioner four-way cassette type
  • the ceiling-embedded air conditioner four-way cassette type
  • the present invention is not limited to this.
  • FIG. 1 is a perspective view showing an installed state of an air conditioner according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram showing an internal configuration of the air conditioner according to the embodiment of the present invention.
  • the air conditioner according to the present embodiment includes an indoor unit main body 100, and the indoor unit main body 100 is configured by combining a housing 1 and a decorative panel 3.
  • the decorative panel 3 has an air inlet 5 formed in the center thereof, and an air outlet 4 formed so as to surround the air inlet 5.
  • a grill 10 and an air filter 11 are provided in the air suction port 5, and a wind direction vane 2 that adjusts the wind direction is provided in the air outlet 4.
  • a blower 7 and an electric motor 6 for driving the air blower 7 are provided at the central portion on the top surface inside the indoor unit main body 1. Further, a heat exchanger 8 is provided on the blowing side of the blower 7 so as to surround the outside of the blower 7. The heat exchanger 8 is disposed downstream of the air inlet 5 and upstream of the air outlet 4, and the indoor air taken into the indoor unit body 1 from the air inlet 5 is heat exchanged. When passing through the vessel 8, the heat exchanger is blown into the room from the air outlet 4.
  • a drain pan 9 for collecting drain water generated from the heat exchanger 8 is provided along the heat exchanger 8 below the heat exchanger 8. In addition, the drain water collected by the drain pan 9 is discharged
  • FIG. 3 is a schematic view in plan view of the drain pan 9 and the heat exchanger 8 of the air conditioner according to the embodiment of the present invention.
  • 4 is a schematic cross-sectional view taken along line AA in FIG.
  • an antibacterial agent case 12 that houses an antibacterial agent that provides an antibacterial effect on the drain water is disposed.
  • the bottom surface of the antibacterial agent case 12 is immersed in the drain water accumulated on the drain pan 9.
  • the antibacterial agent case 12 has a mesh 13 on the bottom surface and the side surface on the bottom surface side.
  • FIG. 5 is a schematic diagram showing a side surface of the antibacterial agent case 12 of the air conditioner according to the present embodiment.
  • the mesh interval 14 of the mesh 13 of the antibacterial agent case 12 according to the present embodiment shown in FIG. 5 will be described.
  • the mesh interval 14 of the mesh 13 of the antibacterial agent case 12 is the same interval in the vertical direction and the horizontal direction.
  • CFU Coldy Forming Unit
  • Antibacterial agents were added to the water so that the antibacterial agent concentrations were 0, 0.59, and 1.2 [g / L], respectively.
  • the individual silver ion concentrations at that time were 0, 0.12, and 0.27 [mg / L].
  • silver ion is an antibacterial agent component.
  • the number of bacteria decreased by 0 digit when the antibacterial agent concentration was 0 [g / L], decreased by 1 digit when 0.59 [g / L]. In 2 [g / L], it was a 5-digit decrease.
  • the antibacterial agent concentration was reduced by 0 digit at 0 [g / L], decreased by 1 digit at 0.59 [g / L], and decreased by 2 digits at 1.2 [g / L]. Therefore, the antibacterial agent concentration of 1.2 [g / L] was achieved when the silver ion concentration was 0.27 [mg / L] and achieved a double-digit decrease in the antibacterial target of 8 hours. The results are shown in Table 1.
  • the mesh 13 is formed on the bottom surface of the antibacterial agent case 12 and the side surface on the bottom surface side.
  • five kinds of mesh intervals 14 of the mesh 13 of the antibacterial agent case 12 were prepared as 1 mm, 2 mm, 3 mm, 4 mm, and 5 mm, and an antibacterial agent having a size of 8 mm square was used for each.
  • An antibacterial agent was put in each of the above five types of antibacterial agent cases 12, and the air conditioning operation was performed for one year.
  • the size of the antibacterial agent after 1 year of air-conditioning operation was 5 mm.
  • FIG. 6 is a diagram showing the relationship between (mesh interval) / (antibacterial agent length after one year) and the number of years that are 0.27 [mg / L] or more.
  • the concentration of silver ions in the drain water decreases as the period of use increases.
  • Table 2 shows the period during which the silver ion concentration in the drain pan water was kept at a limit concentration of 0.27 [mg / L] or more.
  • FIG. 6 is a graph of Table 2.
  • the hatched portion in FIG. 6 is within the range where the set lifetime can be maintained. That is, as shown in Table 2, if the mesh interval 14 of the mesh 13 of the antibacterial agent case 12 is 2 mm or more, the set life can be maintained.
  • the antibacterial agent length after mesh interval / one year is 0.8 or less, the number of years that the silver ion concentration becomes 0.27 [mg / L] or more increases as it increases. This is because when the length of the antibacterial agent after mesh interval / one year is smaller than 0.8, the larger the mesh interval 14, the more difficult it is to collect water between the meshes and between the mesh 13 and the antibacterial agent. It is thought that the life of the antibacterial agent was prolonged because it became difficult to transfer to the antibacterial agent, the drying speed was increased, and the initial excessive antibacterial agent outflow was suppressed.
  • the antibacterial agent length after mesh interval / one year is greater than 0.8, the number of years that the ion concentration becomes 0.27 [mg / L] or more decreases as it increases. This is thought to be because the mesh interval 14 is large, so that the drain water can easily come into contact with the antibacterial agent, and the initial outflow of the antibacterial agent is increased, so that the life of the antibacterial agent is shortened.
  • the mesh interval 14 is 0.4 times to 1.0 times the antibacterial agent length after 1 year, or the mesh interval 14 is set to 0. 0 of the initial antibacterial agent length.
  • the drying speed of the antibacterial agent can be increased, and the initial excessive outflow of the antibacterial agent can be suppressed, and the lifetime of one year can be maintained.
  • the antibacterial agent case 12 at least two mesh intervals having different sizes can be provided in the antibacterial agent case 12, and a smaller mesh interval can be provided closer to the bottom surface side of the antibacterial agent case 12. According to such a configuration, the life of the antibacterial agent can be extended by reducing the mesh interval as it is closer to the bottom side where the antibacterial agent is easily dissolved, thereby preventing the antibacterial agent that has been dissolved and dropped off.
  • the mesh interval 14 is desirably 0.4 times or more the antibacterial agent length after one year.
  • the air conditioner according to the present embodiment includes the indoor unit body 100 in which the air inlet 5 and the air outlet 4 are formed, and the blower 7 that sucks air from the air inlet 5 and blows out from the air outlet 4.
  • the heat exchanger 8 that exchanges heat from the air sucked from the air suction port 5, the drain pan 9 that is provided below the heat exchanger 8 and collects drain water generated from the heat exchanger 8, and the drain pan 9
  • an antibacterial case 12 that houses an antibacterial agent that has an antibacterial effect on drain water.
  • the antibacterial case 12 has a mesh 13 on the side surface on the bottom side.
  • the size of the mesh interval 14 is 0.25 to 0.625 times the antibacterial agent length.
  • the antibacterial agent case 12 has a mesh 13 on the side surface on the bottom side, and the size of the mesh interval 14 of the antibacterial agent case 12 is 0. It is 25 times or more and 0.625 times or less. Therefore, even if the antibacterial case 12 containing the antibacterial agent is disposed in the drain pan 9, the antibacterial agent drying speed can be increased, and the outflow of the excessive antibacterial agent can be suppressed. Can be lengthened.
  • the mesh 13 of the antibacterial agent case 12 of the air conditioner according to the present embodiment has at least two mesh intervals, and the mesh interval on the lower side is smaller than that on the upper side. According to the air conditioner according to the present embodiment, the life of the antibacterial agent is reduced by decreasing the mesh interval 14 closer to the bottom side where the antibacterial agent is easily dissolved, thereby preventing the antibacterial agent that has been dissolved to fall off. Can be lengthened.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

La présente invention concerne un climatiseur comprenant : un corps d'unité d'intérieur pourvu d'une entrée d'air et d'une sortie d'air ; une soufflante destinée à aspirer de l'air depuis l'entrée d'air et à expulser l'air par la sortie d'air ; un échangeur de chaleur destiné à effectuer un échange de chaleur avec l'air aspiré depuis l'orifice d'entrée d'air ; un bac de récupération placé sous l'échangeur de chaleur et destiné à collecter l'eau d'égouttement provenant de l'échangeur de chaleur ; et une enveloppe d'agent antimicrobien disposée sur le bac de récupération et destinée à stocker un agent antimicrobien présentant un effet antimicrobien sur l'eau d'égouttement. Du côté inférieur de l'enveloppe d'agent antibactérien, la surface latérale est une maille, et l'ouverture de maille de l'enveloppe d'agent antibactérien est de 0,25 à 0,625 fois la longueur de l'agent antibactérien.
PCT/JP2018/005261 2018-02-15 2018-02-15 Climatiseur WO2019159284A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019571880A JP6932211B2 (ja) 2018-02-15 2018-02-15 空気調和機
CN201890000283.1U CN210425481U (zh) 2018-02-15 2018-02-15 空调机
PCT/JP2018/005261 WO2019159284A1 (fr) 2018-02-15 2018-02-15 Climatiseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/005261 WO2019159284A1 (fr) 2018-02-15 2018-02-15 Climatiseur

Publications (1)

Publication Number Publication Date
WO2019159284A1 true WO2019159284A1 (fr) 2019-08-22

Family

ID=67619195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/005261 WO2019159284A1 (fr) 2018-02-15 2018-02-15 Climatiseur

Country Status (3)

Country Link
JP (1) JP6932211B2 (fr)
CN (1) CN210425481U (fr)
WO (1) WO2019159284A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006138548A (ja) * 2004-11-12 2006-06-01 Daikin Ind Ltd 空気調和機
JP2006170478A (ja) * 2004-12-13 2006-06-29 Daikin Ind Ltd 空気調和機のドレン水静菌構造
JP2006194494A (ja) * 2005-01-12 2006-07-27 Daikin Ind Ltd 空気調和機
JP2008151414A (ja) * 2006-12-18 2008-07-03 Daikin Ind Ltd 空気調和機
JP2009204293A (ja) * 2008-01-29 2009-09-10 Sanyo Electric Co Ltd 空気調和装置
JP2010019431A (ja) * 2008-07-08 2010-01-28 Mitsubishi Electric Corp 加湿器及びこれを備えた空気清浄機
WO2017056190A1 (fr) * 2015-09-29 2017-04-06 三菱電機株式会社 Unité d'intérieur et climatiseur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5611132B2 (ja) * 2011-06-29 2014-10-22 三菱電機株式会社 空気調和機の抗菌剤構造及びそれを備えた空気調和機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006138548A (ja) * 2004-11-12 2006-06-01 Daikin Ind Ltd 空気調和機
JP2006170478A (ja) * 2004-12-13 2006-06-29 Daikin Ind Ltd 空気調和機のドレン水静菌構造
JP2006194494A (ja) * 2005-01-12 2006-07-27 Daikin Ind Ltd 空気調和機
JP2008151414A (ja) * 2006-12-18 2008-07-03 Daikin Ind Ltd 空気調和機
JP2009204293A (ja) * 2008-01-29 2009-09-10 Sanyo Electric Co Ltd 空気調和装置
JP2010019431A (ja) * 2008-07-08 2010-01-28 Mitsubishi Electric Corp 加湿器及びこれを備えた空気清浄機
WO2017056190A1 (fr) * 2015-09-29 2017-04-06 三菱電機株式会社 Unité d'intérieur et climatiseur

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Publication number Publication date
JPWO2019159284A1 (ja) 2020-12-03
JP6932211B2 (ja) 2021-09-08
CN210425481U (zh) 2020-04-28

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